B-Complex is a combination of B Vitamins which are essential to the body. This complex includes eight of the B Vitamins: B-1 (Thiamine), B-2 (Riboflavin), B-3 (Niacin), B-5 (Pantothenic acid), B-6 (Pyridoxine), B-7 (Biotin), B-9 (Folic Acid), B-12 (Cobalamin). Vitamin B-Complex plays a key role in converting food into fuel but is also involved in other metabolic functions in the human body such as substance conversion detoxification, nerve transmission, blood formation, protein, and fat synthesis, maintenance of healthy blood sugar levels and appetite, muscle toning, etc.TRUSTED FOR OVER 50 YEARS: For more than five decades, Mason Natural has produced quality vitamin supplements under cGMPs and has adhered to US guidelines. All ingredients and finished goods are subjected to rigorous analytical testing, inspections, and quality auditing. CLEAN INGREDIENTS: Guaranteed to have NO added sugar, corn, wheat, dairy, egg, fish, tree nuts, peanuts, shellfish, gluten, fragrance, artificial colors, and preservatives. BENEFITS: Mason Natural B-50 Complex is a blend of B vitamins that may supports Heart and Nervous System Health. MASON NATURAL B-50 COMPLEX: One serving provides Vitamin B1, Vitamin B2, Vitamins B3, Vitamin B6, Folate, Vitamin B12, Biotin, Pantothenic Acid, Choline, Calcium, Inositol, and PABA. Contains 100 Tablets per bottle. DAILY NERVOUS SYSTEM HEALTH AND HEART SUPPORT: For adults 18 to take 1 tablet daily, preferably with food, as a dietary supplement that may support nervous system and heart health. Gluten Free.